What is it? Game 29

Today’s collaboration with What is it? Blog brings us this object to guess: what is this strange object?
Place your guess in the comment and please post no URL. No prize this week, you’re playing for bragging rights only. For more clues, please visit What is it? Blog.
Update 7/13/07: It’s a threshing flail - apparently, it’s so easy practically everyone got it! Yay for you!








